Available in: Redis Stack
Time complexity: O(1)
Return information about key
Array reply with information of the filter.
@example
redis> CF.INFO cf
1) Size
2) (integer) 1080
3) Number of buckets
4) (integer) 512
5) Number of filter
6) (integer) 1
7) Number of items inserted
8) (integer) 0
9) Number of items deleted
10) (integer) 0
11) Bucket size
12) (integer) 2
13) Expansion rate
14) (integer) 1
15) Max iteration
16) (integer) 20